NEW YORK -AP- Anthony Rizzo began the game with a long home run after a surprising move to the leadoff spot, rookie Ian Happ hit his first career grand slam and the Chicago Cubs trounced the New York Mets 14-3 on Tuesday night.Backed by a season-best seven-run second inning, the World Series champs snapped a nine-game skid on the road and moved back to .500 through 64 games. The Cubs had lost five of six overall.Jon Lester (4-4) earned his 150th win and matched a season high with 10 strikeouts. He allowed a run and five hits over seven innings.Rizzo, batting leadoff for the first time in his career, had two hits, three RBI and a bases-loaded walk. He's reached base in 21 of his last 36 plate appearances.